He’s working in Germany as a representative of a Chinese pany.
A. at once
B. at a time
C. at present
D. on time
网友回答
A. at once
B. at a time
(答案→)C. at present
D. on time
解析：词义辨析题。作为中国公司的代表他目前在德国工作。A. at once 立刻 B. at a time 一度 C. at present 目前 D. on time 按时 根据句意选Ｃ